25085073 has 32 divisors (see below), whose sum is σ = 38416000. Its totient is φ = 14432256.

The previous prime is 25085069. The next prime is 25085077. The reversal of 25085073 is 37058052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25085069) and next prime (25085077).

It is not a de Polignac number, because 25085073 - 2² = 25085069 is a prime.

It is the 5009-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25085073.

It is not an unprimeable number, because it can be changed into a prime (25085077) by changing a digit.

It is a nontrivial repunit in base 5008.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71703 + ... + 72051.

It is an arithmetic number, because the mean of its divisors is an integer number (1200500).

Almost surely, 2^25085073 is an apocalyptic number.

It is an amenable number.

25085073 is a deficient number, since it is larger than the sum of its proper divisors (13330927).

25085073 is a wasteful number, since it uses less digits than its factorization.

25085073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 25085073 is about 5008.5000748727. The cubic root of 25085073 is about 292.7330715931.

The spelling of 25085073 in words is "twenty-five million, eighty-five thousand, seventy-three".